语法课件Unit4.ppt

Language&structureReadanddiscover现在分词作定语，当分词单独做定语时，放在所修饰的名词前,说明其修饰名词的性质或特征,表示供作...之用”和...的”.…enterthewaitingarealookingaroundcuriously……stoodforaminutewatchingthem…Shesteppedbackappearingsurprised…ThenAkira…cameinsmiling…WhenDarlene…dashingthroughthedoorExpresstheirfeelingsusingunspoken“language”现在分词作状语Eg.Hearingthebell,thestudentsbegantoentertheclassroom.听见铃声，学生们开始走进教室。（听见和进入两个动作同时发生）现在分词作状语Walkinginthestreet,Icameacrossanoldfriendofmine.(=WhenIwaswalkinginthestreet,Icameacrossanoldfriendofmine.)2)表原因状语Beingill,hedidn’tgotoschool.(=as/becausehewasill,hedidn’tgotoschool.)3)表方式、伴随情况的状语：作伴随状语的分词表示的动作，必须是主语的一个动作，或是与谓语所表示地动作（或状态）同时发生，或是对谓语表示的动词（或状态）作进一步地补充说明。他们笑着谈着走进了教室。4)表结果Eg.Hermotherdiedin1990,leavingherwithheryoungerbrother.(=Hermotherdiedin1990,andleftherwithheryoungerbrother.)5)表条件1.与逻辑主语构成独立主格：Iwaitingforthebus,abirdfellonmyheard．我等汽车时，一只鸟落到我头上。Alltheticketssoldout,theywentawaydisappointedly.所有的票已经卖光了，他们失望地离开了。Thetwopartiesshouldfirstreachanagreementonthebasicprinciple,thedetailstobeworkedoutlater两党应就基本原则先达成协议，细节以后在制定。2.有时也可用with(without)+名词（代词宾格）+分词形式Withthelightsburning,hefellasleep.他点着灯睡着了。3.作独立成分：Judgingfrom(by)hisappearance,hemustbeanactor.从外表看，他一定是个演员。Grammarwork语法专练用所给动词的适当形式填空。1.Not________(know)hisaddress,Icouldn’tgotoseehimyesterday.2.Lookoutforcarswhen_______(cross)thestreet.3.Not_________________(invite)totheparty,Marywasgreatlyhurt.4.Hedivedintothewater,______(leave)onlyhisfaceexposed.5.WhenIgotbackhomeIsawamessagepinnedtothedoor,_______(read)“Sorrytomissyou;Iwillcalllater.”6._______(take)adeepbreath,theydivedintothewater.7.____________(close)thewindowsandthedoor,thestudentslefttheroom.Grammarquiz语法小测1.When_____differentcultures,weoftenpayattentiononlytothedifferenceswithoutnoticingmanysimilarities.A.comparedB.beingcomparedC.comparingD.havingcompared2.Wheneverhewasaskedwhyhewaslateforclass,hewouldanswercarelessly,always______thesamething.A.sayingB.saidC.tosayD.havingsaid3.Therearehundredsofvisitors_____infrontoftheArtGallerytohavealookatVanGogh’spai